/Engine/Source/Editor/GraphEditor/Public/BlueprintConnectionDrawingPolicy.h
Checks that the specified nodes are connected in the graph directly by an exec pin.
True if the two nodes are connected in the graph, otherwise false.
bool AreNodesGraphicallySequential ( [UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) * InputNode, [UEdGraphNode](API\Runtime\Engine\EdGraph\UEdGraphNode) * OutputNode ) const